* {
    margin: 0;
    padding: 0;
}
#yjxxsz {
    margin: 2%;
    border: 1px solid #ddd;
}
#yjxxsz>div:first-child {
    background-color: rgb(239,243,248);
}
.menu_yj,.add_yj {
    border: none;
    color: white;
    background-color: rgb(36,104,169);
    border-top: 5px solid rgb(36,104,169);
    padding: 6px 25px;
    margin-top: 5px;
}
.menu_yj {
    margin-left: 3%;
}
.T_nav {
    border-left: 1px solid rgb(36,104,169);
    border-right: 1px solid rgb(36,104,169);
    background-color: white;
    color: rgb(36,104,169);
}
#table_yj {
    margin: 20px 1%;
    width: 98%;
}
#table_yj th {
    background-color: rgb(243,243,243);
    padding: 10px 20px;
    border: 1px solid #ddd;
}
#table_yj td {
    padding: 10px 20px;
    border: 1px solid #ddd;
}
#table_yj td>button {
    color: white;
    border: none    ;
    background-color: rgb(36,104,169);
    padding: 3px 5px;
}
#table_yj td:last-child button {
    background-color: rgb(183,70,53);
}
.page_style {
    text-align: center;
    border: 1px solid rgb(238,238,238);
    float: left;
    padding: 10px 15px;
    margin: 10px 10px 0 0;
    cursor: pointer;
}
.page_style:hover {
    border: 1px solid rgb(36,104,169);
    color: rgb(36,104,169);
}
.T_page {
    background-color: rgb(36,104,169);
    color: white;
}
#page_yjxxsz {
    float: right;
    margin: 1%;
}
.display {
    display: none;
}
#add_meun_yj {
    margin: 2% 10%;
}
#add_meun_yj>div>label {
    float: left;
    text-align: right;
    margin-right: 2%;
    width: 10%;
    font-size: 20px; 
}
#add_meun_yj>div>div {
    float: left;
    width: 60%;
    margin-bottom: 1%;
}
#add_meun_yj>div>div>select,
#add_meun_yj>div>div>input, 
#add_meun_yj>div>div>textarea {
    width: 100%;
    height: 30px;
    padding: 5px;
    margin-bottom: 5px;
}
#add_meun_yj>div>div>textarea {
    height: 120px;
    min-width: 100%;
    max-width: 100%;
}
#add_meun_yj>button {
    color: white;
    background-color: rgb(67,142,185);
    border: none;
    padding: 6px 12px;
    margin-left: 12%;
}
#change_yj label {
    width: 20%;
    text-align: right;
    margin-right: 5%;
}
#change_yj select,
#change_yj input,
#change_yj textarea {
    width: 50%;
    height: 30px;
    padding-left: 5px;
}
#change_yj textarea {
    height: 50px;
    min-width: 50%;
    max-width: 50%;
}
#box_header {
    text-align: center;
}
#box_header span {
    color: rgb(250,207,72);
    margin: 50px 10px;
}
#table_yj tr:hover {
    background-color: rgb(245,245,245);
}

#header {
    background-color: rgb(36,104,169);
    color: white;
}
#header>span {
    float: left;
    display: block;
    margin: 0 2%;
    font-size: 20px;
    height: 50px;
    line-height: 50px;
}
#header>div,
#header>div>div {
    float: right;
}
#header>div {
    height: 50px;
    line-height: 50px;
    background-color: rgb(7,85,151);
    margin-right: 2%;
    width: 12%;
    cursor: pointer;
}
#header>div>div:nth-of-type(1) {
    margin: 2% 10% 0 0 ;
}
#header>div>div:nth-of-type(2) {
   margin: 0 5%;
   font-size: 16px;
}
#header>div>div:nth-of-type(3) {
    background-color: white;
    color: black;
    width: 40px;
    height: 40px;
    margin: 3% 1%;
    border-radius: 50%;
    text-align: center;
    
} 
#header>div>div:nth-of-type(3)>span {
    line-height: 40px;
    font-size: 20px;
}
#nav {
    height: 320px;
    overflow: hidden;
    width: 100%;
    border: 1px solid rgb(229, 229, 229);
}
#nav>li {
    list-style-type: none;
    cursor: pointer;
    height: 40px;
    line-height: 40px;
    border: 1px solid rgb(228, 228, 228);
    background-color: white;
    padding-left: 30%;
}
#nav>li:first-child {
    background-color: rgb(245,245,245); 
    padding-left: 0;
}
#nav_header>span:first-child {
    margin: 0 3% 0 10%;
}
#nav_header>span:last-child {
    width: 10%;
    margin: 0 10%;
}
#nav>li:hover {
    background-color: white;
    color: #2B7DBC;
}
#left_nav {
    width: 12%;
    background-color: rgb(245,245,245); 
    float: left;
}
#content {
    width: 88%;
    float: left;
}